function-vs-object

JavaScript performance comparison

Revision 2 of this test case created by Gabriel Schulhof

Preparation code

 
<script>
Benchmark.prototype.setup = function() {
    window.theFn = function( a, b, c ) {
      var x = a, y = b, z = c;
    };
    window.theInc = 0;
    window.theObjStr = "window.theFn( \"a\", {}, {});\n" +
    " window.someRandomVar = ";
    window.theFnStr = "window.theFn( \"a\", {}, function() { return {}});\n" +
    " window.someRandomVar = ";
};
</script>

Test runner

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Testing in unknown unknown
Test Ops/sec
1. Passing object
eval( window.theObjStr + ( window.theInc++ ) + ";" );
pending…
2. Passing function
eval( window.theFnStr + ( window.theInc++ ) + ";" );
pending…

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